1.

Which one of the following sets of compounds correctly illustrates the law of reciprocal proportions ?

Answer»

`P_(2)O_(3),PH_(3),H_(2)O`
`P_(2)O_(5),PH_(3),H_(2)O`
`N_(2)O_(5),NH_(3),H_(2)O`
`N_(2)O,NH_(3),H_(2)O`

Solution :
SIMILARLY, CHECK for other cases.


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